Arize AI
ML and LLM observability platform with drift detection and evaluation
Verdict
Enterprise-grade observability covering both traditional ML and LLM workloads. Embedding drift detection, evaluation dashboards, and automated monitors. Pairs with Phoenix for open-source tracing.
Other Observability & Evals
- BraintrustExperimental
End-to-end LLM evaluation and experimentation platform
- HeliconeStable
LLM gateway with logging, caching, and cost analytics
- LangfuseProduction
Open-source LLM engineering platform — traces, evals, prompts
- OpenLLMetryExperimental
OpenTelemetry-based observability for LLMs
- Phoenix (Arize)Stable
Open-source AI observability with embedding and RAG tracing
- PromptLayerStable
Prompt version control, A/B testing, and analytics platform